package com.vcc.boss.core.resolver;

import cn.hutool.extra.servlet.ServletUtil;
import com.vcc.core.annotations.CurrentClientIp;
import com.vcc.core.util.IpUtil;
import org.springframework.core.MethodParameter;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.ModelAndViewContainer;

import jakarta.servlet.http.HttpServletRequest;
import java.util.Objects;

public class CurrentClientIpMethodArgumentResolver implements HandlerMethodArgumentResolver {
    @Override
    public boolean supportsParameter(MethodParameter parameter) {
        return parameter.getParameterType().isAssignableFrom(String.class) && parameter.hasParameterAnnotation(
                CurrentClientIp.class);
    }

    @Override
    public Object resolveArgument(MethodParameter parameter, ModelAndViewContainer mavContainer, NativeWebRequest webRequest, WebDataBinderFactory binderFactory) throws Exception {
        return IpUtil.getIp(Objects.requireNonNull(webRequest.getNativeRequest(HttpServletRequest.class)));
    }
}
